diplomat in the canadian capital during the clinton administration. john manley the council of chief executives. you can't get much more execs than that. he's a deputy prime minister of finance, foreign affairs and trade and industry. he led canada's response for the 9/11 attacks and chaired the independent task force on the future of north america. and david humphrey is with the national security program at the center for strategic and international studies here in washington. he's a former senior official at the u.s. energy department and was involved in negotiations for the u.s.-canada free trade agreement and the north american free trade agreement. and luiza savages the bureau chief claims and the political editor at mclean. so in a moment on our conversation begins and we will hear from our guests on the stage. we will also hear from our studio audience a little later but first let's take the first five minutes and bring a little context to the conversation. >> on almost every level, the u.s.-canada relationship occasionally buffeted by the odde